CN219657108U

CN219657108U - Airtight tester

Info

Publication number: CN219657108U
Application number: CN202321049346.1U
Authority: CN
Inventors: 廖强彬
Original assignee: Shenzhen Dihuida Technology Co ltd
Current assignee: Shenzhen Dihuida Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-09-08
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses an airtight tester, which comprises a bottom plate and a detection mechanism for testing the airtight property of a workpiece, wherein the detection mechanism is fixed above the bottom plate. According to the utility model, the detection mechanism is arranged, when the device is used, the electric push rod is started, the electric push rod stretches to drive the sealing box to descend, the sealing box drives the sealing cylinder and the sealing gasket to descend, the sealing box descends to seal a workpiece, the sealing gasket descends to be in contact with a leak hole of the workpiece, the air pump is started, a certain amount of air is injected into the workpiece through the sealing cylinder by the air pump, the air pressure in the sealing box is detected by the air pressure sensor, the detection value is displayed on the control panel, the detection value is increased within a period of time, the poor air tightness of the workpiece is indicated, the good air tightness of the workpiece is indicated, the air tightness of the workpiece is detected, water is not needed in the detection process, and the water resource is effectively saved.

Description

Airtight tester

Technical Field

The utility model relates to the technical field of air tightness detection, in particular to an air tightness tester.

Background

The air tightness detector is also called as leakage tester. The air tightness detection is an important measure for measuring the sealing performance of many industrial products, such as air tightness (or tightness) detection of sealing parts of related products in various industries of automobiles, air conditioners, refrigerators, gas appliances, speakers, sound boxes, medical appliances and the like, and the detection result is one of key indexes for measuring the quality of the products, and the air tightness detection is an important and frequently used method in the industries of audio, new energy, aerospace and the like.

Patent No. (CN 213148225U) discloses a stable pressure-through airtight testing device that can multiunit sample detects simultaneously, the device is through being provided with first support, the second support, airtight head, air storage tank and gas transmission pipeline, through with first support and the equidistant setting up in the inside of main cylinder body of second support, make the inside of arranging in the main cylinder body of measurand multistation, and carry high-pressure gas to the inside of air storage tank through the gas transmission pipeline again, because of the equidistant airtight head that is provided with in bottom of air storage tank, so that the multistation carries out airtight test to the measurand and handles, thereby improved airtight testing device and use.

The airtight testing device needs to soak the workpiece in water in the detection process, and the water is required to be drained again in each test, so that the waste of water resources can be caused, and the airtight testing device needs to be improved.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide an airtight tester.

The utility model realizes the above purpose through the following technical scheme:

the air tightness tester comprises a bottom plate and a detection mechanism for testing the air tightness of a workpiece, wherein the detection mechanism is fixed above the bottom plate;

the detection mechanism comprises a fixing frame, a controller, an electric push rod and a detection assembly, wherein the controller is installed at the rear part of the fixing frame, the electric push rod is installed below the fixing frame, the detection assembly is fixed below the electric push rod, the detection assembly comprises a sealing box, an air pump, a sealing cylinder, a sealing gasket, an air pressure sensor and a control panel, the air pump is fixed above the sealing box, the sealing cylinder is fixed inside the sealing box, the sealing gasket is installed below the sealing cylinder, the air pressure sensor is arranged at two sides of the sealing cylinder, and the control panel is fixed at the front part of the sealing box.

Preferably, the fixing mechanism is mounted on the bottom plate, the fixing mechanism comprises a lifting plate, a traction rope and a fixing assembly, the traction rope is mounted below the lifting plate, and the fixing assembly is mounted at one end, far away from the lifting plate, of the traction rope.

Preferably, the fixed subassembly includes movable block, spring, circular arc board, movable rod, clamp splice, places the platform, the spring is installed the movable block side, the circular arc board is fixed the spring is kept away from one side of movable block, the movable rod is fixed on the movable block, the clamp splice is fixed the movable rod is kept away from the one end of movable block, place the platform and install the circular arc board below.

Preferably, the controller is connected with the fixing frame through bolts, and the sealing box is made of stainless steel.

Preferably, the sealing gasket is made of rubber, and has a thickness of one centimeter.

Preferably, the spring is made of high-carbon steel, and the spring is welded with the arc plate.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up detection mechanism, when using device, start electric putter, electric putter extends and drives the seal box and descend, the seal box drives sealed section of thick bamboo and sealed pad decline, the seal box descends and seals the work piece, sealed pad decline and the leak contact of work piece, start the air pump, the air pump is through sealed section of thick bamboo to the inside injection of work piece a certain amount of gas, air pressure sensor detects the atmospheric pressure in the seal box, detect numerical value shows on control panel, detect numerical value increase in a period and then indicate that the work piece gas tightness is relatively poor, detect numerical value and then indicate that the work piece gas tightness is good, detect the work piece gas tightness like this, need not water in the testing process, effectively practiced thrift the water resource.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an airtight tester according to the present utility model;

FIG. 2 is a cross-sectional view of an air tightness tester according to the present utility model;

FIG. 3 is a schematic diagram showing the internal structure of a hermetic tester according to the present utility model;

FIG. 4 is a left side view of a testing mechanism in an air tight tester according to the present utility model;

fig. 5 is an enlarged view of a portion a of an airtight tester according to the present utility model.

The reference numerals are explained as follows:

1. a bottom plate; 2. a detection mechanism; 201. a fixing frame; 202. a controller; 203. an electric push rod; 204. a seal box; 205. an air pump; 206. a sealing cylinder; 207. a sealing gasket; 208. an air pressure sensor; 209. a control panel; 3. a fixing mechanism; 301. a lifting plate; 302. a traction rope; 303. a fixed sleeve; 304. a fixing plate; 305. a movable block; 306. a spring; 307. an arc plate; 308. a movable rod; 309. clamping blocks; 310. placing a table.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 5, an air tightness tester comprises a base plate 1, and further comprises a detection mechanism 2 for testing the air tightness of a workpiece, wherein the detection mechanism 2 is fixed above the base plate 1.

In the utility model, a detection mechanism 2 comprises a fixed frame 201, a controller 202, an electric push rod 203, a seal box 204, an air pump 205, a seal cylinder 206, a seal gasket 207, an air pressure sensor 208 and a control panel 209, wherein the controller 202 is arranged at the rear part of the fixed frame 201, the model of the controller 202 is HACH-SC1000, the electric push rod 203 is arranged below the fixed frame 201, the seal box 204 is fixed below the electric push rod 203, the air pump 205 is fixed on the seal box 204, the seal cylinder 206 is fixed inside the seal box 204, the seal gasket 207 is arranged below the seal cylinder 206, the air pressure sensor 208 is arranged at two sides of the seal cylinder 206, the model of the air pressure sensor 208 is JY3051GP, and the control panel 209 is fixed at the front part of the seal box 204; the controller 202 is connected with the fixing frame 201 through bolts, the sealing box 204 is made of stainless steel, the sealing pad 207 is made of rubber, and the thickness of the sealing pad is one centimeter; when the device is used, the electric push rod 203 is started, the electric push rod 203 stretches to drive the seal box 204 to descend, the seal box 204 drives the seal cylinder 206 and the seal gasket 207 to descend, the seal box 204 descends to seal a workpiece, the seal gasket 207 descends to contact with a leak hole of the workpiece, the air pump 205 is started, the air pump 205 injects a certain amount of gas into the workpiece through the seal cylinder 206, the air pressure sensor 208 detects the air pressure in the seal box 204, a detection value is displayed on the control panel 209, the increase of the detection value in a period of time indicates that the air tightness of the workpiece is poor, the unchanged detection value indicates that the air tightness of the workpiece is good, so that the air tightness of the workpiece is detected, water is not needed in the detection process, and water resources are effectively saved.

In the utility model, a fixing mechanism 3 is arranged on a bottom plate 1, the fixing mechanism 3 comprises a lifting plate 301, a traction rope 302, a fixing sleeve 303, a fixing plate 304, a movable block 305, a spring 306, a circular arc plate 307, a movable rod 308, a clamping block 309 and a placing table 310, the traction rope 302 is arranged below the lifting plate 301, the fixing sleeve 303 is arranged outside the traction rope 302, the fixing plate 304 is arranged outside the fixing sleeve 303, the movable block 305 is arranged at one end of the traction rope 302 far away from the lifting plate 301, the spring 306 is arranged at one side of the movable block 305 far away from the traction rope 302, the circular arc plate 307 is fixed at one side of the spring 306 far away from the movable block 305, the movable rod 308 is fixed on the movable block 305, the clamping block 309 is fixed at one end of the movable rod 308 far away from the movable block 305, and the placing table 310 is arranged below the circular arc plate 307; the spring 306 is made of high carbon steel, and the spring 306 is welded with the arc plate 307; the seal box 204 descends to drive the lifting plate 301 to descend, the lifting plate 301 drives the traction rope 302 to descend, the spring 306 starts to shrink, the spring 306 shrinks to drive the movable block 305 to move, the movable block 305 drives the clamping block 309 to move through the movable rod 308, the clamping block 309 moves to be in contact with a workpiece, and the two clamping blocks 309 cooperate together to fix the workpiece, so that the stability of the workpiece in the detection process is effectively improved.

In the above structure: when the device is used, a workpiece to be detected is placed on the placing table 310, the electric push rod 203 is started, the electric push rod 203 stretches to drive the seal box 204 to descend, the seal box 204 descends to drive the lifting plate 301 to descend, the lifting plate 301 drives the traction rope 302 to descend, the spring 306 starts to shrink, the spring 306 shrinks to drive the movable block 305 to move, the movable block 305 drives the clamping block 309 to move through the movable rod 308, the clamping block 309 moves to be in contact with the workpiece, the two clamping blocks 309 are cooperated to fix the workpiece, meanwhile, the seal box 204 drives the seal cylinder 206 and the seal gasket 207 to descend, the seal box 204 descends to seal the workpiece, the seal gasket 207 descends to be in contact with a leak hole of the workpiece, the air pump 205 is started, the air pump 205 injects a certain amount of air into the workpiece through the seal cylinder 206, the air pressure in the seal box 204 is detected by the air pressure sensor 208, the detection value is displayed on the control panel 209, the detection value is increased within a period of time to indicate that the air tightness of the workpiece is poor, and the detection value is unchanged to indicate that the air tightness of the workpiece is good.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. An airtight tester comprising a base plate (1), characterized in that: the device further comprises a detection mechanism (2) for testing the air tightness of the workpiece, wherein the detection mechanism (2) is fixed above the bottom plate (1);

the detection mechanism (2) comprises a fixing frame (201), a controller (202), an electric push rod (203) and a detection assembly, wherein the controller (202) is installed at the rear part of the fixing frame (201), the electric push rod (203) is installed below the fixing frame (201), the detection assembly is fixed below the electric push rod (203), the detection assembly comprises a sealing box (204), an air pump (205), a sealing cylinder (206), a sealing gasket (207), an air pressure sensor (208) and a control panel (209), the air pump (205) is fixed above the sealing box (204), the sealing cylinder (206) is fixed inside the sealing box (204), the sealing gasket (207) is installed below the sealing cylinder (206), the air pressure sensor (208) is arranged at two sides of the sealing cylinder (206), and the control panel (209) is fixed at the front part of the sealing box (204).

2. The air tightness tester according to claim 1, wherein: the fixing mechanism (3) is installed on the bottom plate (1), the fixing mechanism (3) comprises a lifting plate (301), a traction rope (302) and a fixing component, the traction rope (302) is installed below the lifting plate (301), and the fixing component is installed at one end, far away from the lifting plate (301), of the traction rope (302).

3. An air tightness tester according to claim 2, wherein: the fixing assembly comprises a movable block (305), a spring (306), an arc plate (307), a movable rod (308), a clamping block (309) and a placing table (310), wherein the spring (306) is installed on the side face of the movable block (305), the arc plate (307) is fixed on one side, far away from the movable block (305), of the spring (306), the movable rod (308) is fixed on the movable block (305), the clamping block (309) is fixed on one end, far away from the movable rod (308), of the movable block (305), and the placing table (310) is installed below the arc plate (307).

4. The air tightness tester according to claim 1, wherein: the controller (202) is connected with the fixing frame (201) through bolts, and the sealing box (204) is made of stainless steel.

5. The air tightness tester according to claim 1, wherein: the sealing pad (207) is made of rubber and has a thickness of one centimeter.

6. A gas tightness tester according to claim 3 wherein: the spring (306) is made of high-carbon steel, and the spring (306) is welded with the arc plate (307).